56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/* Copyright 2016 secXsQuared
|
|
* Distributed under GPL license
|
|
* See COPYING under root for details
|
|
*/
|
|
|
|
#include "hal/print.h"
|
|
#include "hal/mem.h"
|
|
#include "hal/intr.h"
|
|
#include "hal/cpu.h"
|
|
#include "lib/sxtdlib.h"
|
|
#include "hal/boot.h"
|
|
|
|
extern char HAL_KERNEL_START_VADDR[];
|
|
extern char HAL_KERNEL_END_VADDR[];
|
|
|
|
static void KABI halp_obtain_cpu_info(boot_info_t *hal_info)
|
|
{
|
|
if(hal_info == NULL)
|
|
return;
|
|
uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
|
|
hal_cpuid(&eax,&ebx,&ecx,&edx);
|
|
lb_mem_copy(&ebx, &hal_info->cpu_vd_str[0], sizeof(uint32_t));
|
|
lb_mem_copy(&edx, &hal_info->cpu_vd_str[4], sizeof(uint32_t));
|
|
lb_mem_copy(&ecx, &hal_info->cpu_vd_str[8], sizeof(uint32_t));
|
|
hal_info->cpu_vd_str[12] = 0;
|
|
}
|
|
|
|
void KABI hal_main(void *m_info)
|
|
{
|
|
if (m_info == NULL || (uint64_t) m_info & lb_bit_field_mask(0, 2))
|
|
return;
|
|
|
|
// init HAL infrastructures
|
|
hal_print_init();
|
|
hal_mem_init();
|
|
|
|
|
|
boot_info_t* boot_info = halloc(sizeof(boot_info_t));
|
|
|
|
// set up HAL def
|
|
boot_info->krnl_start = (virtual_addr_t)HAL_KERNEL_START_VADDR;
|
|
boot_info->krnl_end = (virtual_addr_t)HAL_KERNEL_END_VADDR;
|
|
|
|
// obtain cpu info
|
|
halp_obtain_cpu_info(boot_info);
|
|
|
|
// init interrupt
|
|
if(hal_interrupt_init() != 0)
|
|
{
|
|
return;
|
|
}
|
|
// pass the control to the kernel
|
|
ke_main(boot_info);
|
|
return;
|
|
}
|